Orion System VCC-X Controller - Manual (Page 28)

Zone
Zone
VCC-X CONTROLLER WIRING
VCC-X Controller Technical Guide 28
Building Pressure Sensor Wiring
Figure 14: OE258-01 Building Pressure Sensor Wiring Diagram
Building Pressure Sensor
The OE258-01 Building Static Pressure Sensor must be wired as
shown in Figure 14 below. There are 3 terminal connections on the
Building Pressure Sensor. Connect the power side of the 24 VAC
power source to the terminal labeled “+ EXC.” Connect the GND
side of the 24 VAC power source to the terminal labeled “- COM.”
Connect the remaining terminal labeled “OUT” to AIN5 on the
VCC-X Controller.
WARNING: It is very important to be certain that all wiring
is correct as shown in the wiring diagram below. Failure to
observe the correct polarity will result in damage to the HVAC
Unit Controller, Building Pressure Sensor, and the VCC-X
Controller.
AI5
GND
VCC-X Controller
EXC
COM
OUT
LOW
-
+
+ +
Tubing To Building
Pressure Sensing Location
Tubing To Atmospheric
Pressure Sensing Location
-
+
OE258-01 Building Static
Pressure Sensor
HIGH
To 24
VAC